/* 
 * Copyright 2014 Igor Maznitsa (http://www.igormaznitsa.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.igormaznitsa.prologparser.utils;

/**
 * It is an auxiliary class contains methods to check arguments
 *
 * @author Igor Maznitsa (igor.maznitsa@igormaznitsa.com)
 */
public abstract class AssertionUtils {

    private AssertionUtils() {
    }

    public static void checkNotNull(final String message, final Object obj) {
        if (obj == null) {
            throw new NullPointerException(message);
        }
    }

    public static void checkArrayForNullElements(final String message, final Object[] array) {
        for (final Object obj : array) {
            if (obj == null) {
                throw new NullPointerException(message);
            }
        }
    }
}
